1. 定义 过去进行时常表示过去某一时刻或过去某一阶段内正在进行的动作。 2. 构成:was/were +doing
3. 过去进行时的基本句型 肯定式I was working. He/She/it was working. We were working. 疑问式Were you working? Was he/she/it working? Were we working? 否定式I was not working. He/she/it was not working. We were not working. 4. 过去进行时的基本用法 过去进行时表示过去某一时间正在进行的动作,常和表过去的时间状语连用 I was doing my homework at this time yesterday.
昨天的现在这个时间我正在做作业。 They were expecting you yesterday.
昨天他们一直在等你。 2) 过去进行时可与soon, the next moment, in minutes, minutes later等时间状语连用,表示一个新的动作刚刚开始。 Soon the whole town was talking about it. 3) 过去进行时可用来申述原因或用作借口,这种用法常用在口语中。 Have you finished your homework, Mary? Mary,你做完作业了吗? —No, I was helping my mother in the kitchen all day yesterday. 没有,昨天一整天我都在厨房帮助我的妈妈。 4) 过去进行时可用来为一个后一系列动作的发生提供背景。 I hurt my leg when I was riding a bike. 我在骑车时把腿摔坏了。 过去进行时可表示过去未曾实现的愿望或打算,这时be动词was/were要重读。 I was writing him a letter this morning and forgot all about it
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